package org.glut.wechat.videochat.service;

import java.util.Set;

public interface RoomService {
    void joinRoom(String roomId, String userId);

    void leaveRoom(String roomId, String userId);

    Set<String> getRoomMembers(String roomId);

    String getUserRoom(String userId);

    boolean isUserInRoom(String roomId, String userId);
}
